html_tableimpl.cpp

konqueror3 embedded版本, KDE环境下的当家浏览器的嵌入式版本源码包.

        }
        break;
    case ATTR_COLS:
    {
        // ###
#if 0
        int c;
        c = attr->val()->toInt();
        addColumns(c-totalCols);
#endif
        break;

    }
    case ATTR_ALIGN:
        setChanged();
        break;
    case ATTR_VALIGN:
        if (!attr->value().isEmpty())
            addCSSProperty(CSS_PROP_VERTICAL_ALIGN, attr->value().lower());
        else
            removeCSSProperty(CSS_PROP_VERTICAL_ALIGN);
        break;
    case ATTR_NOSAVE:
	break;
    default:
        HTMLElementImpl::parseAttribute(attr);
    }
}

void HTMLTableElementImpl::attach()
{
    updateFrame();
    HTMLElementImpl::attach();
    if ( m_render && m_render->isTable() )
        static_cast<RenderTable *>(m_render)->setCellPadding( padding );
}

void HTMLTableElementImpl::close()
{
    if (firstBody && !firstBody->closed())
        firstBody->close();
    HTMLElementImpl::close();
}

void HTMLTableElementImpl::updateFrame()
{
    int v = m_solid ? CSS_VAL_SOLID : CSS_VAL_OUTSET;
    if ( frame & Above )
         addCSSProperty(CSS_PROP_BORDER_TOP_STYLE, v);
    else
        addCSSProperty(CSS_PROP_BORDER_TOP_STYLE, CSS_VAL_NONE);
    if ( frame & Below )
        addCSSProperty(CSS_PROP_BORDER_BOTTOM_STYLE, v);
    else
        addCSSProperty(CSS_PROP_BORDER_BOTTOM_STYLE, CSS_VAL_NONE);
    if ( frame & Lhs )
        addCSSProperty(CSS_PROP_BORDER_LEFT_STYLE, v);
    else
        addCSSProperty(CSS_PROP_BORDER_LEFT_STYLE, CSS_VAL_NONE);
    if ( frame & Rhs )
        addCSSProperty(CSS_PROP_BORDER_RIGHT_STYLE, v);
    else
        addCSSProperty(CSS_PROP_BORDER_RIGHT_STYLE, CSS_VAL_NONE);
}

// --------------------------------------------------------------------------

void HTMLTablePartElementImpl::parseAttribute(AttributeImpl *attr)
{
    switch(attr->id())
    {
    case ATTR_BGCOLOR:
        if (attr->val())
            addHTMLColor(CSS_PROP_BACKGROUND_COLOR, attr->value() );
        else
            removeCSSProperty(CSS_PROP_BACKGROUND_COLOR);
        break;
    case ATTR_BACKGROUND:
    {
        if (attr->val()) {
            QString url = khtml::parseURL( attr->value() ).string();
            url = getDocument()->completeURL( url );
            addCSSProperty(CSS_PROP_BACKGROUND_IMAGE,  "url('"+url+"')" );
        }
        else
            removeCSSProperty(CSS_PROP_BACKGROUND_IMAGE);
        break;
    }
    case ATTR_BORDERCOLOR:
    {
        if(!attr->value().isEmpty()) {
            addHTMLColor(CSS_PROP_BORDER_COLOR, attr->value());
            addCSSProperty(CSS_PROP_BORDER_TOP_STYLE, CSS_VAL_SOLID);
            addCSSProperty(CSS_PROP_BORDER_BOTTOM_STYLE, CSS_VAL_SOLID);
            addCSSProperty(CSS_PROP_BORDER_LEFT_STYLE, CSS_VAL_SOLID);
            addCSSProperty(CSS_PROP_BORDER_RIGHT_STYLE, CSS_VAL_SOLID);
        }
        break;
    }
    case ATTR_ALIGN:
    {
        DOMString v = attr->value();
        if ( strcasecmp( attr->value(), "middle" ) == 0 || strcasecmp( attr->value(), "center" ) == 0 )
            addCSSProperty(CSS_PROP_TEXT_ALIGN, CSS_VAL__KHTML_CENTER);
        else if (strcasecmp(attr->value(), "absmiddle") == 0)
            addCSSProperty(CSS_PROP_TEXT_ALIGN, CSS_VAL_CENTER);
        else if (strcasecmp(attr->value(), "left") == 0)
            addCSSProperty(CSS_PROP_TEXT_ALIGN, CSS_VAL__KHTML_LEFT);
        else if (strcasecmp(attr->value(), "right") == 0)
            addCSSProperty(CSS_PROP_TEXT_ALIGN, CSS_VAL__KHTML_RIGHT);
        else
            addCSSProperty(CSS_PROP_TEXT_ALIGN, v);
        break;
    }
    case ATTR_VALIGN:
    {
        if (!attr->value().isEmpty())
            addCSSProperty(CSS_PROP_VERTICAL_ALIGN, attr->value().lower());
        else
            removeCSSProperty(CSS_PROP_VERTICAL_ALIGN);
        break;
    }
    case ATTR_HEIGHT:
        if (!attr->value().isEmpty())
            addCSSLength(CSS_PROP_HEIGHT, attr->value());
        else
            removeCSSProperty(CSS_PROP_HEIGHT);
        break;
    case ATTR_NOSAVE:
	break;
    default:
        HTMLElementImpl::parseAttribute(attr);
    }
}

// -------------------------------------------------------------------------

HTMLTableSectionElementImpl::HTMLTableSectionElementImpl(DocumentPtr *doc,
                                                         ushort tagid, bool implicit)
    : HTMLTablePartElementImpl(doc)
{
    _id = tagid;
    m_implicit = implicit;
}

HTMLTableSectionElementImpl::~HTMLTableSectionElementImpl()
{
}

NodeImpl::Id HTMLTableSectionElementImpl::id() const
{
    return _id;
}


// these functions are rather slow, since we need to get the row at
// the index... but they aren't used during usual HTML parsing anyway
HTMLElementImpl *HTMLTableSectionElementImpl::insertRow( long index, int& exceptioncode )
{
    HTMLTableRowElementImpl *r = 0L;
    NodeListImpl *children = childNodes();
    int numRows = children ? (int)children->length() : 0;
    //kdDebug(6030) << k_funcinfo << "index=" << index << " numRows=" << numRows << endl;
    if ( index < -1 || index > numRows ) {
        exceptioncode = DOMException::INDEX_SIZE_ERR; // per the DOM
    }
    else
    {
        r = new HTMLTableRowElementImpl(docPtr());
        if ( numRows == index || index == -1 )
            appendChild(r, exceptioncode);
        else {
            NodeImpl *n;
            if(index < 1)
                n = firstChild();
            else
                n = children->item(index);
            insertBefore(r, n, exceptioncode );
        }
    }
    delete children;
    return r;
}

void HTMLTableSectionElementImpl::deleteRow( long index, int &exceptioncode )
{
    NodeListImpl *children = childNodes();
    int numRows = children ? (int)children->length() : 0;
    if ( index == -1 ) index = numRows - 1;
    if( index >= 0 && index < numRows )
        HTMLElementImpl::removeChild(children->item(index), exceptioncode);
    else
        exceptioncode = DOMException::INDEX_SIZE_ERR;
    delete children;
}


int HTMLTableSectionElementImpl::numRows() const
{
    int rows = 0;
    const NodeImpl *n = firstChild();
    while (n) {
        if (n->id() == ID_TR)
            rows++;
        n = n->nextSibling();
    }

    return rows;
}

// -------------------------------------------------------------------------

NodeImpl::Id HTMLTableRowElementImpl::id() const
{
    return ID_TR;
}

long HTMLTableRowElementImpl::rowIndex() const
{
    int rIndex = 0;

    NodeImpl *table = parentNode();
    if ( !table )
	return -1;
    table = table->parentNode();
    if ( !table || table->id() != ID_TABLE )
	return -1;

    HTMLTableSectionElementImpl *head = static_cast<HTMLTableElementImpl *>(table)->tHead();
    HTMLTableSectionElementImpl *foot = static_cast<HTMLTableElementImpl *>(table)->tFoot();

    if ( head ) {
        const NodeImpl *row = head->firstChild();
        while ( row ) {
            if ( row == this )
                return rIndex;
            rIndex++;
            row = row->nextSibling();
        }
    }

    NodeImpl *node = table->firstChild();
    while ( node ) {
        if ( node != foot && node != head && (node->id() == ID_THEAD || node->id() == ID_TFOOT || node->id() == ID_TBODY) ) {
	    HTMLTableSectionElementImpl* section = static_cast<HTMLTableSectionElementImpl *>(node);
	    const NodeImpl *row = section->firstChild();
	    while ( row ) {
		if ( row == this )
		    return rIndex;
		rIndex++;
		row = row->nextSibling();
	    }
	}
	node = node->nextSibling();
    }
    const NodeImpl *row = foot->firstChild();
    while ( row ) {
	if ( row == this )
	    return rIndex;
	rIndex++;
	row = row->nextSibling();
    }
    // should never happen
    return -1;
}

long HTMLTableRowElementImpl::sectionRowIndex() const
{
    int rIndex = 0;
    const NodeImpl *n = this;
    do {
        n = n->previousSibling();
        if (n && n->id() == ID_TR)
            rIndex++;
    }
    while (n);

    return rIndex;
}

HTMLElementImpl *HTMLTableRowElementImpl::insertCell( long index, int &exceptioncode )
{
    HTMLTableCellElementImpl *c = 0L;
    NodeListImpl *children = childNodes();
    int numCells = children ? children->length() : 0;
    if ( index < -1 || index > numCells )
        exceptioncode = DOMException::INDEX_SIZE_ERR; // per the DOM
    else
    {
        c = new HTMLTableCellElementImpl(docPtr(), ID_TD);
        if(numCells == index || index == -1)
            appendChild(c, exceptioncode);
        else {
            NodeImpl *n;
            if(index < 1)
                n = firstChild();
            else
                n = children->item(index);
            insertBefore(c, n, exceptioncode);
        }
    }
    delete children;
    return c;
}

void HTMLTableRowElementImpl::deleteCell( long index, int &exceptioncode )
{
    NodeListImpl *children = childNodes();
    int numCells = children ? children->length() : 0;
    if ( index == -1 ) index = numCells-1;
    if( index >= 0 && index < numCells )
        HTMLElementImpl::removeChild(children->item(index), exceptioncode);
    else
        exceptioncode = DOMException::INDEX_SIZE_ERR;
    delete children;
}

// -------------------------------------------------------------------------

HTMLTableCellElementImpl::HTMLTableCellElementImpl(DocumentPtr *doc, int tag)
  : HTMLTablePartElementImpl(doc)
{
  _col = -1;
  _row = -1;
  cSpan = rSpan = 1;
  _id = tag;
  rowHeight = 0;
  m_solid = false;
}

HTMLTableCellElementImpl::~HTMLTableCellElementImpl()
{
}

long HTMLTableCellElementImpl::cellIndex() const
{
    int index = 0;
    for (const NodeImpl * node = previousSibling(); node; node = node->previousSibling()) {
        if (node->id() == ID_TD || node->id() == ID_TH)
            index++;
    }

    return index;
}

void HTMLTableCellElementImpl::parseAttribute(AttributeImpl *attr)
{
    switch(attr->id())
    {
    case ATTR_BORDER:
        // euhm? not supported by other browsers as far as I can see (Dirk)
        //addCSSLength(CSS_PROP_BORDER_WIDTH, attr->value());
        break;
    case ATTR_ROWSPAN:
        // ###
        rSpan = attr->val() ? attr->val()->toInt() : 1;
        // limit this to something not causing an overflow with short int
        if(rSpan < 1 || rSpan > 1024) rSpan = 1;
        break;
    case ATTR_COLSPAN:
        // ###
        cSpan = attr->val() ? attr->val()->toInt() : 1;
        // limit this to something not causing an overflow with short int
        if(cSpan < 1 || cSpan > 1024) cSpan = 1;
        break;
    case ATTR_NOWRAP:
        if (attr->val() != 0)
	    addCSSProperty(CSS_PROP_WHITE_SPACE, CSS_VAL__KHTML_NOWRAP);
        else
	    removeCSSProperty(CSS_PROP_WHITE_SPACE);
        break;
    case ATTR_WIDTH:
        if (!attr->value().isEmpty())
            addCSSLength( CSS_PROP_WIDTH, attr->value() );
        else
            removeCSSProperty(CSS_PROP_WIDTH);
        break;
    case ATTR_NOSAVE:
	break;
    default:
        HTMLTablePartElementImpl::parseAttribute(attr);
    }
}

void HTMLTableCellElementImpl::attach()
{
    HTMLElementImpl* p = static_cast<HTMLElementImpl*>(parentNode());
    while(p && p->id() != ID_TABLE)
        p = static_cast<HTMLElementImpl*>(p->parentNode());

    if(p) {
        HTMLTableElementImpl* table = static_cast<HTMLTableElementImpl*>(p);
        if (table->rules == HTMLTableElementImpl::None) {
            addCSSProperty(CSS_PROP_BORDER_TOP_STYLE, CSS_VAL_NONE);
            addCSSProperty(CSS_PROP_BORDER_BOTTOM_STYLE, CSS_VAL_NONE);
            addCSSProperty(CSS_PROP_BORDER_LEFT_STYLE, CSS_VAL_NONE);
            addCSSProperty(CSS_PROP_BORDER_RIGHT_STYLE, CSS_VAL_NONE);
        }
        else {
            addCSSProperty(CSS_PROP_BORDER_WIDTH, "1px");
            int v = (table->m_solid || m_solid) ? CSS_VAL_SOLID : CSS_VAL_INSET;
            addCSSProperty(CSS_PROP_BORDER_TOP_STYLE, v);
            addCSSProperty(CSS_PROP_BORDER_BOTTOM_STYLE, v);
            addCSSProperty(CSS_PROP_BORDER_LEFT_STYLE, v);
            addCSSProperty(CSS_PROP_BORDER_RIGHT_STYLE, v);

            if (!m_solid)
                addCSSProperty(CSS_PROP_BORDER_COLOR, CSS_VAL_INHERIT);
        }
    }

    HTMLTablePartElementImpl::attach();
}

// -------------------------------------------------------------------------

HTMLTableColElementImpl::HTMLTableColElementImpl(DocumentPtr *doc, ushort i)
    : HTMLTablePartElementImpl(doc)
{
    _id = i;
    _span = (_id == ID_COLGROUP ? 0 : 1);
}

NodeImpl::Id HTMLTableColElementImpl::id() const
{
    return _id;
}


void HTMLTableColElementImpl::parseAttribute(AttributeImpl *attr)
{
    switch(attr->id())
    {
    case ATTR_SPAN:
        _span = attr->val() ? attr->val()->toInt() : 1;
        break;
    case ATTR_WIDTH:
        if (!attr->value().isEmpty())
            addCSSLength(CSS_PROP_WIDTH, attr->value(), false, true );
        else
            removeCSSProperty(CSS_PROP_WIDTH);
        break;
    case ATTR_VALIGN:
        if (!attr->value().isEmpty())
            addCSSProperty(CSS_PROP_VERTICAL_ALIGN, attr->value().lower());
        else
            removeCSSProperty(CSS_PROP_VERTICAL_ALIGN);
        break;
    default:
        HTMLTablePartElementImpl::parseAttribute(attr);
    }

}

// -------------------------------------------------------------------------

NodeImpl::Id HTMLTableCaptionElementImpl::id() const
{
    return ID_CAPTION;
}


void HTMLTableCaptionElementImpl::parseAttribute(AttributeImpl *attr)
{
    switch(attr->id())
    {
    case ATTR_ALIGN:
        if (!attr->value().isEmpty())
            addCSSProperty(CSS_PROP_CAPTION_SIDE, attr->value().lower());
        else
            removeCSSProperty(CSS_PROP_CAPTION_SIDE);
        break;
    default:
        HTMLElementImpl::parseAttribute(attr);
    }

}